<?php

/*
 * This file is part of SwiftMailer. (c) 2004-2009 Chris Corbyn For the full copyright and license information, please view the LICENSE file that was distributed with this source code.
 */

/**
 * The Message class for building emails.
 * 
 * @package Swift
 * @subpackage Mime
 * @author Chris Corbyn
 */
class Swift_Message extends Swift_Mime_SimpleMessage {
	/**
	 * Create a new Message.
	 * Details may be optionally passed into the constructor.
	 * 
	 * @param string $subject        	
	 * @param string $body        	
	 * @param string $contentType        	
	 * @param string $charset        	
	 */
	public function __construct($subject = null, $body = null, $contentType = null, $charset = null) {
		call_user_func_array ( array (
				$this,
				'Swift_Mime_SimpleMessage::__construct' 
		), Swift_DependencyContainer::getInstance ()->createDependenciesFor ( 'mime.message' ) );
		
		if (! isset ( $charset )) {
			$charset = Swift_DependencyContainer::getInstance ()->lookup ( 'properties.charset' );
		}
		$this->setSubject ( $subject );
		$this->setBody ( $body );
		$this->setCharset ( $charset );
		if ($contentType) {
			$this->setContentType ( $contentType );
		}
	}
	
	/**
	 * Create a new Message.
	 * 
	 * @param string $subject        	
	 * @param string $body        	
	 * @param string $contentType        	
	 * @param string $charset        	
	 * @return Swift_Mime_Message
	 */
	public static function newInstance($subject = null, $body = null, $contentType = null, $charset = null) {
		return new self ( $subject, $body, $contentType, $charset );
	}
	
	/**
	 * Add a MimePart to this Message.
	 * 
	 * @param string|Swift_OutputByteStream $body        	
	 * @param string $contentType        	
	 * @param string $charset        	
	 */
	public function addPart($body, $contentType = null, $charset = null) {
		return $this->attach ( Swift_MimePart::newInstance ( $body, $contentType, $charset ) );
	}
	public function __wakeup() {
		Swift_DependencyContainer::getInstance ()->createDependenciesFor ( 'mime.message' );
	}
}
